Deliveries of US F-35 jets to resume soon without complete software upgrade

Deliveries of F-35 jets to the US military are set to resume shortly without the complete TR-3 software upgrade, the head of the F-35 Joint Program Office (JPO) said on Thursday.
 

The delays in delivery to the Pentagon were linked to the lingering issue on the TR-3 tech refresh, which refers to a series of software and hardware improvements to the F-35 giving the jets better displays, computer memory and processing power.
 

The decision to move forward without complete implementation of the TR-3 software was made in coordination with the various stakeholders, according to the JPO.
 

"We made the decision to move forward with the truncation plan for TR-3 software," said Lt. Gen. Mike Schmidt, program executive officer at the F-35 Joint Program Office.
 

Lockheed Martin, the aircraft's manufacturer, was left with F-35 jets in its inventory as a result of the delays.
 

The advanced fighter jet contributes 27 per cent of the company's sales.
 

Despite the resumption of deliveries, the Pentagon will continue to withhold some - if not all - of the final payment for each jet, a person familiar with the agreement said.
 

About $7 million of the final payment for each jet has been withheld to date, but the source did not say how much may be withheld when deliveries resumed.
 

Lockheed said the delivery of the first jets with the TR-3 update was an important milestone, but did not respond to a request for comment on the payment details.
 

During an earnings call in April, Lockheed CEO Jim Taiclet had said that delivery of the first TR-3 combat training-capable aircraft was expected in the third quarter, with a full transition to combat-capable aircraft expected by 2025.

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